| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.27 | 3.40 | -0.13 |
| Feb | 2.81 | 2.79 | 0.02 |
| Mar | 4.20 | 4.37 | -0.17 |
| Apr | 3.66 | 3.71 | -0.05 |
| May | 3.54 | 3.72 | -0.18 |
| Jun | 4.38 | 4.52 | -0.14 |
| Jul | 4.49 | 4.59 | -0.10 |
| Aug | 4.32 | 4.29 | 0.03 |
| Sep | 4.53 | 4.69 | -0.16 |
| Oct | 3.92 | 4.11 | -0.19 |
| Nov | 3.27 | 3.21 | 0.06 |
| Dec | 3.97 | 4.27 | -0.30 |
46.36 | 47.67 | -1.31 |